UPG6-27822-13 Circuit Protection

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Circuit breakers are designed to protect and isolate electrical circuits and components from harm caused by excess current due to short circuits or other fault conditions in the power system. The UPG6-27822-13 circuit breaker is a three-pole industrial circuit breaker with bolted connections and overload protection. It is widely used in the petrochemical, metallurgy and other industries requiring high environmental conditions.

The UPG6-27822-13 circuit breaker adopts a common trip mechanism that automatically removes the fault from the system when a fault occurs. The internal structure is composed of an arc extinguishing chamber, a trip unit, a set of contacts, a trip solenoid, a shunt release, an auxiliary contact and a handle. The contacts are installed in the panel in a four-position configuration that allows the operation of different electrical circuits. The contact of the circuit breaker relies on the spring hold, supplemented by the electromagnet in the trip unit, when the current reaches a certain level, the electromagnet in the trip unit is pulled in to release the trip solenoid and trip the circuit breaker.

The UPG6-27822-13 circuit breaker uses an arc suppression chamber made of ceramic to extinguish arc. When the standard current is too high or the short circuit current is too high, the arc is formed, and then the chamber relies on the insulating gas to extinguish the arc and cut off the current. The insulation gas limited in the arc chamber works as arc suppression game between the two terminals of the arc, and the exhaust effect of arc energy depends on the shape of the arc. The insulation gas of arc suppression chamber is mainly nitrogen, and most manufacturers will add some sulfur hexafluoride to make it work better.

The UPG6-27822-13 circuit breaker has an adjustable overload trip setting on the trip unit, which provides protection for the circuit when the motor is overloaded. The trip unit also has a short circuit trip setting, which can disconnect the circuit when the current overload is too high. This setting is adjustable and can be changed as necessary. A thermal overload element on the trip unit provides protection for the current overloading and also protects the power system from overheating.

It is suitable for the distribution network with rated current up to 1000A that requires frequent use. It is used to isolate and protect sections of the power system from overloads and short circuits, and can also be used to control low-voltage motor circuits. It has superior performance, long life and high safety, and is widely used in industrial automated control, electrical instrumentation, electrical lighting, agriculture, medical and other places.

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